Elevator



March 30 1926.

G. B. READ ELE VATOR Filed August 26, 1922 3 Sheets-Sheet 1 Fa' fl@ 5W E 5% W March 3o, 1,926. 1,578,469 v G. B. READ ELEVATOR Filed August 26, 1922 3 Sheets-Sheet 2 G. B. READ March 30 1926.

ELEVATOR Filed August 26, 1922 s Sheets-sheet [VIT/VESSEL;

' Elevators, of

Patented Mar. 30, 1926. I

GEORGE B. READ, F BLooMlivG'roN, ILIJINois.

ELEVATQR.

- T 0 all 'whom it may con-cern Be it known that I, GEORGE B. READ, a

citizen of the United States of America, vrel siding at Bloomington, in the county of McLean and State' of illinois, have invented certain new and useful Improvements in which the following is a speciiication.

My invention relates to elevators and has special reference to an elevator designed to handle grain and the like The invention comprises a framingi`ncluding a boot and head portion and lintermediate reach portions connected with the head and boot and the fashioning of the connected members to form supports and a guide-channel for plural cog rack units constituting `a'train or successionof units in connection with whichl carrier buckets or flights are supported. Also, the invention includes the relationing of a gear' or sprocket Vwheel to aycog rack train, whereby active driving force is applied ydirectly .to thecog train at a point intermediate of the elevating reach thereof and also serving as -a support of the return cog rack reach'- whereby the cog rack units intervening between said wheel and the bottom of thefboot are relieved from stress or straineither from the elevating run or actions or from the weight ofthe return run. .'7

The invention 'also includes the vspecial fashioning of the cog units whereby they are adapted to co-act in conjunction with flanged .members of lthe yframingparts and body portions of the headand boot thatare respectivelyarranged and fashioned to form a continuous travel way for -the cog rack.

train. o f i l .'.lhe invention also includes iunior matters l'of structural detail Aand combination of i parte' hereinafter more particularly described and claimed. y Figure l is aside elevation, showing the boot portion ofthe elevator andA extensicn y.framing members constituting an Aintermediate partbetween the boot and the head of the elevator. v Y Y Figure 2 is a `rear elevation of Figure l, Figure a portion of the elevator and a portieri of 1n= is a, side elevation 'of-,the headv Application led August 26,- 1922*'. Lusierialflio. 584,392.

tervening framing vmembers betweensaid ,head and the boo 1 y i Figure .4: is a side elevation of n the elevator in complete assembly.

Figure 5y is a rearelevation showing theliead section and attached swivel spout.

E. if f Figure 6 is a transverse sectional view in part on the line (5*6 of Figure l and illustrates the manner of relationing a drive Vshaft andgear wheel tothe framing struc- `ture andthe relationing of said gear wheel to cog rackmembers. L

Figure 7 is aside elevationof a' portion of Aframing members and a cograck unit il,

y-lustrating the manner of relationing-the saine. i i

"Figurer 8 is across sectional view o'n'tlie 'i line 8- 8 of Figure 7.

Figure 9 kis ay detailyvievv vshowingthe mannerwof relating-V a ca'irierbucketto cogV 'rack members, and, .Y n v y Figure 1D is a front elevation-showing Fig.

1ly is y a .front elevation Iof 4the 'i boot the saine subject inatteras-disclosedfin Figmember shown in Fig.'l with'the v`cog-traii'i L' units and drive ,mechanismjomitted;,

Fig.V l2 `is a topV plan View,withbarts'in'y section, of the boot Vmember below the plane indicated by the line'l2'l2; and f l Y t Fig. lissectional view taken onvthe vline 1131-13,-ofFig-l15 o 1 f Y `i f The inventive thought is directed to an improvement over elevators employing A.sprocketchains in connection with carrying VYbuckets or flights, wherein` difficulties {connected' with v breakage, etc., accompanying and furthermore, tothe saving costvr and kthe theluse of 'sprocket ch'ains,lare eliminated o.

Areduction ofdrivingfrnce to the minimum y of horsepower, y

vhere exemplified beingformedfroni angle bars and arranged in pairs as shown and in Referring to the drawings, 10 'andg11,A are 'training members, the saine in the instance spaced' relation .(into' 'side members) f tog..A

Tform'channel ways in conjunctionwith asf soc'ziated members for guiding and support- .i

ing a cog rack train whichserves, in connection .with buckets or ilights,-as a carrying [means in an elevator.: K

12, refers to side members et the elevator boot, the samebeing,I out out at its central portieriv in elongated art form, this inner p edge terming` the Vvoi'itei boundary of a travel- Way 12a.V Y,

1 3, is a'...s`ide` vvall portion',y kor plate, rsimilarly 'fashioned in V'arcuate shape having its outer edge spacedtrom the inner edge of -lfside Wall portion 1 2 and, yin Vaddition to the boot, also serves at itsL onter edge's5 las l :of siiita'jble bolts'aiidl nut-s' and are spacedV 35' serving as Vclosure members lor the side of the opposed member to the edge ot Wall 12 of the travel-Way 12?". Tlieside'ivall'memf- "bers 13 are secured together in spaced relation `by means ef- *tra-nsves bar members lei as at their Yupper. end and by'frods as 14 at tfheiiloiver portions. 1 'e i v15, is also an interior sidentalimember, its

`i'alv edges havingthe same relative v'space relatibnwith respect to' side ivall men'ibers l2 as" int'yerior plateorvvall member 13 toiforni 'a continiiatioii et' tlie'l travel-Way spacer saidi sideivall neinbe'r'l i5 being" een netted' vto side WallI member l2 ot thebo'ot by means ot transverse bai' members 176, and sidewall members" 113i are seein-'ed' to the vouter sideivallrmember lZby means oimolfset strap Orba'. a`s'1"8,tlie il'set' pertion serving fitack members hereinafter referred to.` 'llieiiitle'rniediat'etfraiiiing' members it) and Y'll between the headand boot are 'coiineeted apart intermediatetheirlength te form Va 'rfeetangiilarly"shaped; frame' meansof transverse bars 119 at' the sidesfby iiieansjoi:

similartransverse bars'as y19,a atthe oppe'se' {Width portioii'fjo lthe frame, said vbars being i'iashioiied" With downwardly Vexten dii'igfg' spacing'oi: 'members 19' deflected :from fthe'. body ofthe bars which seat againSt-the inner faces Vo't'tlief'o'pp'c'xsed ft'r'aniing members 10 andv 11i. To the iipperextr'emiti'eso'f framing` ment i bers lOl and' ll isfatta'eli'ed a head -ii'iember '-coiiiprisiiig side plate members 20 iattaehed "ft'o 'frai'iiingr members Vl0v Aandflllt by" means 'olf jc'ast plate .members as' 20, .said side-plate fashioiiino' assho'iviifin Fieure S thei'nner 10;, Y Y t Y. V20" is also a side VVplate ineir'ibei, having confirmatory arcuate fashioi'iiiigWitlithat oif f the vin'iie'r'edgeof side `pla'fte 20 and is' spacedV the`i-ef'ro'inij to a degree that facilitates its f sectired toftlie plate [20 by means offset i outer" edge Y .registering--l with thel inner edge Y of rai'ningrii'ieii'ibers l1,thereby-*termine'in? Ytheliead the c'ei'itiniiation 12'c ot :the travelVY l Way 112a and'l2l respeetively7 in the' ibootandV training members;- They sidev plateV 2Q"k is strap?ineinbers120dg- Corresponding in itil-fic#r Vtion and purpose/'to strap'member-18,0011- vtion of the head. L Y Y b ers andthe'- travel Way is `such that/When ffsofe'iitered saidfrollers"will be in easy Ytravel YKrelation,withfsaidtraiel.Way' inthe framing,-

l of? the' 'ele-vater striietirr'e ineludi.

V'freinEther boot" Dortionof' the elevator to a 'ry/ingE successively or"V salid rack sectie:

vthroiigli the cent nected withftheboot. Y, .he side plate 'inemq bers 2O arey suitably spaced apart yby means 'c includingrods, as 2l,A and transverse closure members 2P, 2lb, adjacent to vdisehai'ge por- 2 isla chiite member attacl'ied to the delivery portion of the head.

v22 is a Vswivelspout relationed in common. Well known manner. Y

23 are side extensionmembers from the" 4boot and are suitably ecured Ato the latter to the head. l

Vand serve in`V conjunction with a transvejrse,..V bottom prtion282-as a chiite 'for delivering grain to the elevator boot. f 2li4 is a cross conveyor pivotally related to vextension Vmembers .23' Vand arranged with iwiereiiee to Vthr'ehiite portion to discharge vgrain therlei'nto `for delivery to the bottoni portien of the elevator boot. foonveyorgand' chiite structure visfnot' at-pa'rt iii-a manner' toformallyunite them insnch Y Vdefinite space lrelation 'a's'fto aeeominedat'e the interposition of; the roller '.niember's ein; a free tiirnablexrelationl Spacing blocks may kbe'interposed iii` place ofthe rollers if desiredi` V27?, isa spacing` ine'iiiberv interposed be ltwe'enth'e"barmembers and serves as a bearing fer rollers'ZG. (See'FiOnre 8.) l Thefashioning"ofthe cog` unit members is such" that they'y lmay be' entered intothe 7el .vay Votl'i'e elevatorV structure and the 'tive-,port aingbem eentlie roller ineinbeet Vand head n'iein'berslivhieh conjointly forinthe' Complete travel Way. .l .A plurality -votj said cogt rack n'n'its are designedfito/be disposed inv thevr travel'V Way L a nun`iberf-suiinicient to Yconstitute a train comprehen'ding'f at least a continuous rimr extending," .f

poi nt atithe *downwardly inclined travel nf'ay portion 01"' the head, whereby force supplied i successively toe'ogffraelr sectionsy `will"canse advancement ofthe coiiplete'train"in the vating. rerdhV portion and vvill effectv oarto aV point in the travel Wayin the `headjavhere i gravityVV will'v4 ziet to advance said se`otions,

ing Way in theliead and thereafter throi'igh the'v return reach section ofthe elevator to .a position, where'theapplied force may again be cxertedupon the units successively when functioning `in con-l nection with the elevating reach portion of the train.. Of course, any numberof rack secy tions may beemployed as may be desired, i either to constitute a complete unending train` (with suflicient clearance provision provided) or any number less'than a com- 'pleteunending train except, of course, that a'sufficient number Vare required, as before explained, to constitute acomplete elevating reach.

CIJ

pivotally` relating the buckets to the rack The adaptability of the'cog rackftrainl to Work with a greater or lesser lnumber of unit sections `makes itpossibletojremiivet4 sections of the complete train in case of breakage or injuryjas, forV instance, to

vbucket member. This feature `is one of adT vantage in the practical working of the elel vator. y y

So far as the theory of structure is concerned, it is designed that the cog rack train shall comprise wholly independent units that are designed to be moved progressively A within the travel way through the 'application of a co-acting cog or sprocket wheel `act-V ing successively in Veach rack unit. However,

in practice itis necessary thatbuckets or flights vshallzbe'attached to the train andin the instance of the use of buckets as herein exemplified, `shall be supported` in definite positioning and, in view ofthis fact, the buckets, 28, herein shown are attached to I, certain adjacently located united rack-'sections by means ofpivot Vmembers, as 28a. (See. Figures 9 and 10;)l This manner of units facilitates cleiiection from a 'straight line travel of the unit sections in their course through the arcuate Way portions of the travel way butA permitting such' relative 'turning between said bucket and rack units that the former may be caused to maintain the properpositioning to facilitate both their carrying and upsetting rfunction for dis.- charge in the practical working of the eletravel course in in the elevator structure which includes a lf. sprocketor cog` wheel 29, affixed to-sliait BO, the latter being supported centrally by plate members i530 allixe'd to side members of Athe boot, fashioned with Aailein'ession vtoV tacilitatea degreeof inseatingofthe vsprocket wheel.

.Sprocket wheel 29 is spaced from the the .bottom poition ot' the boot section, a considerable distance for the purpose of providing the yaccuiuniulation of g'ain therein and furthermore, to avoid friction inthe co-` action of said sprocket wheel with the cog rack` frame. Means provided for driving I have Aprovided means foraifecting travel of the cog racktrain Within the travel way said plate members being clearance space for sprocket wheels 29,include a sprocket wheel 3l, iixcd'to shaft BOand driven by asprockct chain 32, from-a driven source .as Vby a sprocket wheel When sprocket chain 32 is driven in the direction ofl the/arrow in Figure 1 sprocketv Wheel v29 will -be I, turned and its teeth will successively, engage vwith the teeth of the cog rack units'to cause a progressive movement of the complete train ot' 'the latter-to cause'thebuckets yfor flights to progressively travel to the bucket section forV loading andk upwardly fordischarge and thereafter for substantial gravity return under the constantly receding support oftooth membersof sprocket; wheel 29, in opposed position tot-hose on the opposite side which are acting to advance the cog rack train.r In the defined co-active relationing'of the cog wheel'29,fwith thesuccessive cog rack units, it will be notedthat thek unit rack sections', v in the boot that are Iinterposed between the vided with a travel l way therein, side members connecting the -head and boot, provided eachk withtravel waysV thereinr'egistering with the travel ways, respectively,

vin the head and'l boot members, a plurality of disconnectedrcog units disposed. within `the continuoustravel way formed by the connected boot -headj and side members,

buckets connected at intervals of the reach,

economical formed by the abutting cog units, a sprock- .Y

et wheel, co-.operating withA the cog junit train, adapted to cause the vsame to be ladvanced within the travel way.

2. In an elevator, in comb nation,'an elevator frame work, includingv boot, headand intervening 'connecting members, each pro#H vvided with'v a travel way therein, respectively in' register, to support andv direct f members of a conveyor element, a plurality Vot separate conveyor unitsI labuttingly arranged within the travel way, carrier buckets, disposed at intervals nof the. reach, formedv by such units, supported on selected units, and means for advancing said cog unit train throughout thecouise of the eletio-n with iespectto' the travel way vkof a return legfthereof where gravity actionwill return them'into position to be engaged and advanced by advanci nglmeans` 3. In an elevator, in combination, ancievator vframe work, a boot member, the sidef130 l e5 tiene@ '1 ,Xyells lthereof `prfnfided witli a rluehaped travelwziy, ya` lieadzineinber, theside .Wells thereof` `providedwith a revereereiirve, let

'e'rally and fldoyynwardly extending "travel Y lof one legof'esid/travel-ivay,fa'eog Wheel l co-foperating iy'i'tliSaidn11ite,edapted to Ied- 15 yenceseid units :sueees'lslyely in onelleg oi,

y said :tra-.vel Wzi'y and intopesition iyitliin the liead member, Where grzivity may-eet Vupon Seid units en eeessiyely to @ensei them y to 'le returned `.for vengegementv Witlieaid 2Q Cog Wheel, Iand meansflorturning seid (jog `yiflie el,V vbuolet .Kinenibers disposed et vinter-V .Valsfinponneetion.With seid Cog treiniind Slfltab y v'snpported1 in r'oon'neetion with Se .,lectedcogyunite. e i

" L1neinloer,'its sideportionsprovidedwith a v35's nog n itsgeoinprising fepaeed ber fineinloers with {,40 ythe {creyel Way, eontaetY relation?inl their unimi@ travel Gentse', e., @Oe Wheel.

@dented fito" ,sucesvely ,l 1 Seid4 @eel nnits to annee ,the train' to floe advanced' hin the trayel wey, ljulet meinbere dis- V 'train vsind Senredf toeeleotedeog nuits@r y 5. mlnY an eleve-tor, in oniloination,u et freine ,work provided 4with :en oontlnnoiis trayel Way .l a enye'yonelelnent, @plurality of disro 'ecti Ll- In; anvlele'v'etor, in co1nliinetion,n beet peg d @ennemis with @speen tonie' mi:

rrying members trein,`4 and ineens aoting, progressively on ithe separatevrunltsv of 'the trein toY effeet .elevation of' tlie seme. v -V l 7. :In 'enV elevator, v e, freine .eoinprising boot, lieedfand ilnterinediateseotions proyided With etcontinuons"trzwelwayV theretlirongli'including obrnpt delleeti'onf'tt a, point in thetrzivelway the head'for eoae. l tion with 'veerryingnnit nieinljers tdffaeilitte eloiiipt `deflection of iinit inernloere of the trein vin* promoting materiel ldis/eliarge from, clarrying ineinbers thereon, e `plnrelity fof nonfeonneeted vunitsl 'eloiittziblyv related 'con- V`s titiiting` Aan elevating trein, carryingl rne-ns on f seleot'ed l nnits 'of eei'd train; fandfineans yeeting piogfreeeiyely on iirzite'uiiits 'for .adyneing Vtlie vbutted' unite to D A' with re I)eetA to tliefrs'eparate units Y"to facili-` tzitegiziyity ectin progression thereon With- 0 in nl@ ifyemnki'egof v@ne mveiwty. y 8. ln an'elevatoig'in" eoinbination, an eleyzitor freine Work, including a boot; head vand intervening co1linieet'in'irieinloers, eecli ,provided with e, trayelfwy therein respee;

tiyely in re'gistei" to Snpport ziiidf'direct inen'n 90 -berso'f efoo'nyeyorelementi@ plurality of Kgenerate conveyor Uni'tsm'abiittingly :grr-angeli yWitliin tlie ti'ziyel' wey; Carrier buekete "dis- Y posed et intervals of the if'eeelnfforined by yeueli units7 supnorted on; Sele'ete'd Iunite, and, nienns intervening between the terininztlsyof Y seid ECogj trains for 'eng'gz'ilg'ingverich'` leg lthere,-v Y'of oicensingeleyation,ofone-leg end sup- .porting tlie lrear nienibers of'gtlie'pposed leg. 9. ln 'eleyetorgV afi'aine'proxided with a continuous travelway therein,l a" plurality of `non-'conne' etedv ft'buttble rearry'ing n nits constituting trein therein, grain Siipporting inelnbere inonntedon Sele/voted ofinnits of `Seid trein, and' ineens'l for idynncirigV Said IO. In een eleVetOnJeJrQnie provided with `a continuons ti'avelwaymtlierein, a pliirality VVo-lnon-connected Ybuttalole, eerry'ing Y'units constituting a, train therein, grain support-f ing' in einliers .mounted on lselected pairs vof Vvunits of seid `train, Hand ineens' acting pro- .gressively on they train unitey ifor dyaneing tlietrain. f 11.*In l en eleyetoige freine provided with#v a continuons travelwziy therein constituting elevating and return Ways for carrying ineens, a plurality einen-connected units abuttably related confstituting'zin elevetingv treiin' ezti'rying nienne on Selected Vunits of eziid f train, v and 'menne laeting 1orogressively,fon the V,Separite unite. for edyzineing they t'loutted units'to positions'witli reepeeti tor the Separatel-unitsyto aoilitetegreyity aet'ing pro-g Ygression,'lc-lne'reonxWithin tlieretiirn leg of the :i ',trav'elivay. Y

In testimony Wliereolj I .afiix my reigne-` `ture. Y' Y' so A i ,'.GEQliGE Y 

